Breath (ब्रेथ) - श्वास/ सांस (the air that goes into and out of your lungs)
noun
Her breath smelled like garlic.
She was dizzy and short of breath
Breathe (ब्रीद) - सांस लेना (to move air into and out of the lungs)
verb
It's so airless in here - I can hardly breathe.
The instructor told us to breathe in deeply and then breathe out slowly.